diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b640a99f02..f86bd4e0a9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -337,6 +337,7 @@ check_doc_links:
     # clone test bench
     - git clone $GITLAB_SSH_SERVER/yinling/auto_test_script.git
     - cd auto_test_script
+    - git checkout ${CI_COMMIT_REF_NAME} || echo "Using default branch..."
     # run test
     - python CIRunner.py -l $LOG_PATH -c $CONFIG_FILE -e $LOCAL_ENV_CONFIG_PATH -t $TEST_CASE_FILE_PATH -m $MODULE_UPDATE_FILE bin_path $APP_NAME $BIN_PATH
 
@@ -364,6 +365,7 @@ check_doc_links:
     # clone test bench
     - git clone $GITLAB_SSH_SERVER/yinling/auto_test_script.git
     - cd auto_test_script
+    - git checkout ${CI_COMMIT_REF_NAME} || echo "Using default branch..."
     # run test
     - python CIRunner.py -l $LOG_PATH -c $CONFIG_FILE -e $LOCAL_ENV_CONFIG_PATH -t $TEST_CASE_FILE_PATH -m $MODULE_UPDATE_FILE bin_path $APP_NAME $BIN_PATH
 
@@ -380,7 +382,7 @@ check_doc_links:
     APP_NAME: "ut"
     TEST_CASE_FILE_PATH: "$CI_PROJECT_DIR/components/idf_test/unit_test"
     MODULE_UPDATE_FILE: "$CI_PROJECT_DIR/tools/unit-test-app/ModuleDefinition.yml"
-  
+
   dependencies:
     - build_esp_idf_tests
 
diff --git a/components/esp32/cpu_freq.c b/components/esp32/cpu_freq.c
index f5ccd13df7..3fa5fb531c 100644
--- a/components/esp32/cpu_freq.c
+++ b/components/esp32/cpu_freq.c
@@ -36,7 +36,7 @@ void esp_set_cpu_freq(void)
     // wait uart tx finish, otherwise some uart output will be lost
     uart_tx_wait_idle(CONFIG_CONSOLE_UART_NUM);
 
-    rtc_init_lite(XTAL_AUTO);
+    rtc_init_lite(XTAL_40M);
     // work around a bug that RTC fast memory may be isolated
     // from the system after rtc_init_lite
     SET_PERI_REG_MASK(RTC_CNTL_PWC_REG, RTC_CNTL_FASTMEM_FORCE_NOISO_M);